Unit 13 epidemiology child and adolescent

826 views

Published on

Published in: Health & Medicine
  • Be the first to comment

Unit 13 epidemiology child and adolescent

  1. 1. The Epidemiology of Child and Adolescent Mental Health Disorders
  2. 2. Prevalence of Psychiatric Disorders in Children and Adolescents <ul><li>6-month prevalence rates: 17-27% </li></ul><ul><ul><li>Most common: anxiety disorders </li></ul></ul><ul><ul><li>Conduct and oppositional disorders </li></ul></ul><ul><ul><li>Attention deficit and depressive disorders </li></ul></ul><ul><li>12-month prevalence of serious emotional disturbance in 9-17 year olds: 9-13% </li></ul>Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  3. 3. Burden of Mood Disorders in Children and Adolescents <ul><li>Prevalence of depression (7-12 years): <1% to 2% </li></ul><ul><li>Prevalence of depression (13-25 years): 1% to 7% </li></ul><ul><li>One year incidence of major depression in 11-16 year olds: 3.3% </li></ul><ul><li>One year incidence of major depression in 14-18 year olds: 7.1% </li></ul><ul><li>Manic episodes, bipolar disorder, and hypomania are rare in children and adolescents </li></ul><ul><ul><li>0-2% prevalence </li></ul></ul>Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  4. 4. Age of Onset – Mood Disorders <ul><li>11-14 years for depression and dysthymia </li></ul><ul><li>Average length of depression episode is 7-9 months </li></ul>Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  5. 5. Risk Factors for Mood Disorders <ul><li>Rates of depression are higher for adolescent girls than boys </li></ul><ul><ul><li>No evident gender differences in the preadolescent period </li></ul></ul><ul><li>Genetic and familial risk </li></ul><ul><li>Hormonal changes during adolescence </li></ul><ul><li>Life events and stressors </li></ul>Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  6. 6. Comorbid Conditions (Mood Disorders) <ul><li>Depression is associated with anxiety, behavioral, eating, and substance use disorders </li></ul><ul><li>20-75% of youth with depression have comorbid anxiety disorders </li></ul><ul><li>Preadolescent children are more likely to report comorbid somatic illness than adolescents </li></ul>Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  7. 7. Burden of Anxiety Disorders in Children and Adolescents <ul><li>Prevalence of anxiety disorders: ~20% </li></ul>Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  8. 8. Age of Onset – Anxiety Disorders <ul><li>Separation anxiety and specific phobias: 7-9 years </li></ul><ul><li>Overanxious disorder: 10-13 years </li></ul><ul><li>Social phobia: 15-16 years </li></ul><ul><li>Panic disorder: 17-18 years </li></ul>Source: Buka SL, Monuteaux M, Earlsi F. The epidemiology of child and adolescent mental disorders. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.
  9. 9. Risk Factors for Mood Disorders Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002. <ul><li>Female </li></ul><ul><li>Low socioeconomic status </li></ul><ul><li>Familial and genetic factors </li></ul>
  10. 10. Comorbid Conditions (Anxiety Disorders) <ul><li>There is significant overlap within subtypes of anxiety disorders </li></ul><ul><li>Depression </li></ul><ul><li>Substance abuse in older adolescents </li></ul>Source: Merikangas KR, Avenevoli S. Epidemiology of mood and anxiety disorders in children and adolescents. In: Textbook in Psychiatric Epidemiology, MT Tsuang and M. Tohen (eds.), 2 nd edition. New York: Wiley-Liss, Inc., 2002.

×